Patents by Inventor Michi Naritomi

Michi Naritomi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for continuously preparing bacterial cellulose
    Patent number: 6132998
    Abstract: An object of the present invention is to obtain the high production rate and yield of BC. The present invention relates to a process for the production of cellulosic material at a production rate of 0.4 g/L/hr or more, which comprises culturing cellulose-producing bacteria while maintaining the concentration of the residual sugars in a culture broth at 20 g/L or less, and to a process for the production of cellulosic material at a production rate of 0.4 g/L/hr or more, which comprises culturing cellulose-producing bacteria in a culture medium containing a factor which improves an apparent affinity of substrate for sugars.
    Type: Grant
    Filed: February 26, 1998
    Date of Patent: October 17, 2000
    Assignee: Bio-Polymer Research Co., Ltd.
    Inventors: Takaaki Naritomi, Tohru Kouda, Michi Naritomi, Hisato Yano, Fumihiro Yoshinaga